Knot tier



FIG. 1 is a left end view of a knot tier showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right end view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear side view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a knot tier, as shown 